Average annual temperature is 16.4 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -8.0 °C
Number of sunny days: 188 days
Number of rainy days: 177 days
Look at detailed online map of Koji
* Weather data for Koji Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.0 | 14.6 | 21.4 | 23.0 | 28.6 | 30.7 | 35.4 | 36.4 | 34.4 | 29.9 | 27.0 | 18.9 |
| Average daytime temperature (°C) | 9.9 | 10.3 | 16.1 | 18.6 | 22.6 | 25.9 | 31.1 | 33.1 | 31.9 | 24.3 | 18.4 | 12.5 |
| Average temperature (°C) | 4.5 | 5.3 | 10.9 | 14.0 | 18.4 | 22.2 | 27.1 | 29.0 | 26.9 | 18.2 | 12.8 | 7.1 |
| Average night temperature (°C) | 0.2 | 0.7 | 6.1 | 9.3 | 14.3 | 18.9 | 23.4 | 25.5 | 22.7 | 12.9 | 8.2 | 2.6 |
| Absolute minimum temperature (°C) | -8.0 | -3.8 | -2.1 | 3.4 | 7.6 | 12.8 | 19.9 | 23.4 | 18.2 | 7.4 | 0.9 | -2.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 6.5 | 8.2 | 8.0 | 9.0 | 7.2 | 9.5 | 10.1 | 9.3 | 8.5 | 7.8 | 6.9 |
| Precipitation (mm) | 30 | 50 | 73 | 210 | 210 | 230 | 105 | 185 | 52 | 17 | 45 | 52 |
| Sunny days | 18 | 17 | 18 | 17 | 17 | 11 | 15 | 5 | 10 | 24 | 19 | 17 |
| Rainy days | 13 | 11 | 13 | 13 | 14 | 19 | 16 | 26 | 20 | 7 | 11 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koji is at